Normal 1.load a book and enabel sheetbar by setShowSheetbar(true);
2.click add new sheet
3.double click on new sheet (on sheetbar) and rename it.
4. get NPE when I try to rename sheet
>>java.lang.NullPointerException >> at org.zkoss.zss.model.impl.XSSFBookImpl.ranameSheetInAppXml(XSSFBookImpl.java:262) >> at org.zkoss.zss.model.impl.XSSFBookImpl.setSheetName(XSSFBookImpl.java:253) >> at org.zkoss.zss.model.impl.RangeImpl.setSheetName(RangeImpl.java:2374) >> at org.zkoss.zss.ui.au.in.ActionCommand.processSheet(ActionCommand.java:87) >> at org.zkoss.zss.ui.au.in.ActionCommand.process(ActionCommand.java:59) >> at org.zkoss.zss.ui.Spreadsheet.service(Spreadsheet.java:4655) >> at org.zkoss.zk.ui.impl.DesktopImpl.service(DesktopImpl.java:698) >> at org.zkoss.zk.ui.impl.UiEngineImpl.execUpdate(UiEngineImpl.java:1194) >> at org.zkoss.zk.au.http.DHtmlUpdateServlet.process(DHtmlUpdateServlet.java:583) >> at org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:481) >> at org.zkoss.zk.au.http.DHtmlUpdateServlet.doPost(DHtmlUpdateServlet.java:489) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) >> at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) >> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401) >> at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) >> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) >> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) >> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450) >> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) >> at org.mortbay.jetty.Server.handle(Server.java:326) >> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) >> at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945) >> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) >> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) >> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) >> at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) >> at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)